6946686146 has 16 divisors (see below), whose sum is σ = 10483360440. Its totient is φ = 3452284800.

The previous prime is 6946686139. The next prime is 6946686169. The reversal of 6946686146 is 6416866496.

It can be written as a sum of positive squares in 4 ways, for example, as 6674073025 + 272613121 = 81695^2 + 16511^2 .

It is a super-2 number, since 2×6946686146² = 96512896822056666632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6946686091 and 6946686100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262640 + ... + 287876.

Almost surely, 2^6946686146 is an apocalyptic number.

6946686146 is a deficient number, since it is larger than the sum of its proper divisors (3536674294).

6946686146 is a wasteful number, since it uses less digits than its factorization.

6946686146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26069.

The product of its digits is 8957952, while the sum is 56.

The square root of 6946686146 is about 83346.7824573930. The cubic root of 6946686146 is about 1908.0623374526.

The spelling of 6946686146 in words is "six billion, nine hundred forty-six million, six hundred eighty-six thousand, one hundred forty-six".